Triple

T6621589
Position Surface form Disambiguated ID Type / Status
Subject St Brides Bay E149685 entity
Predicate hasLighthouseNearby P57850 FINISHED
Object St Ann’s Head Lighthouse
St Ann’s Head Lighthouse is a coastal navigation beacon located on St Ann’s Head in Pembrokeshire, Wales, guiding ships at the entrance to Milford Haven Waterway near St Brides Bay.
E627440 NE FINISHED

How this triple was built (5 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: St Ann’s Head Lighthouse | Statement: [St Brides Bay, hasLighthouseNearby, St Ann’s Head Lighthouse]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: St Ann’s Head Lighthouse
Context triple: [St Brides Bay, hasLighthouseNearby, St Ann’s Head Lighthouse]
  • A. Berry Head Lighthouse
    Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
  • B. Admiralty Head Lighthouse
    Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
  • C. Strumble Head Lighthouse
    Strumble Head Lighthouse is a coastal beacon on a small islet off the Pembrokeshire coast in Wales, guiding ships through the Irish Sea and serving as a notable local landmark.
  • D. Noss Head Lighthouse
    Noss Head Lighthouse is a coastal navigational beacon in Caithness, Scotland, notable for its early use of a diagonal-pane lantern design and its role in guiding ships around the northeastern tip of the Scottish mainland.
  • E. St Mary’s Lighthouse
    St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: St Ann’s Head Lighthouse
Triple: [St Brides Bay, hasLighthouseNearby, St Ann’s Head Lighthouse]
Generated description
St Ann’s Head Lighthouse is a coastal navigation beacon located on St Ann’s Head in Pembrokeshire, Wales, guiding ships at the entrance to Milford Haven Waterway near St Brides Bay.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: St Ann’s Head Lighthouse
Target entity description: St Ann’s Head Lighthouse is a coastal navigation beacon located on St Ann’s Head in Pembrokeshire, Wales, guiding ships at the entrance to Milford Haven Waterway near St Brides Bay.
  • A. Berry Head Lighthouse
    Berry Head Lighthouse is a historic coastal beacon on the Berry Head headland near Brixham in Devon, England, guiding ships navigating the entrance to Tor Bay.
  • B. Admiralty Head Lighthouse
    Admiralty Head Lighthouse is a historic coastal beacon located on Whidbey Island in Washington State, known for guiding ships entering Puget Sound and for its distinctive Spanish-style architecture.
  • C. Strumble Head Lighthouse
    Strumble Head Lighthouse is a coastal beacon on a small islet off the Pembrokeshire coast in Wales, guiding ships through the Irish Sea and serving as a notable local landmark.
  • D. Noss Head Lighthouse
    Noss Head Lighthouse is a coastal navigational beacon in Caithness, Scotland, notable for its early use of a diagonal-pane lantern design and its role in guiding ships around the northeastern tip of the Scottish mainland.
  • E. St Mary’s Lighthouse
    St Mary’s Lighthouse is a historic coastal lighthouse situated on a small tidal island off the coast of Whitley Bay in North East England, now popular as a visitor attraction and nature reserve.
  • F. None of above. chosen
PD Predicate disambiguation gpt-5-mini-2025-08-07
Target predicate: hasLighthouseNearby
Context triple: [St Brides Bay, hasLighthouseNearby, St Ann’s Head Lighthouse]
  • A. hasLightHouse chosen
    Indicates that one place or structure possesses, contains, or is associated with a lighthouse.
  • B. closestLighthouse
    Indicates that one lighthouse is the nearest in distance to a given reference point or entity compared to all other lighthouses.
  • C. hasAttractionNearby
    Indicates that one entity is located close to another entity that serves as an attraction or point of interest.
  • D. lighthouseStatus
    Indicates the operational condition or state (e.g., active, inactive, under maintenance) of a lighthouse at a given time.
  • E. hasNearbyTrailheadFor
    Indicates that one location has a trailhead situated close enough to serve as a convenient access point for another location.
  • F. None of above.

Provenance (6 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69c687ed8a9c81908bb671717cb192ef completed March 27, 2026, 1:36 p.m.
NER Named-entity recognition batch_69c6bdb88cc881908f35648c15a7dc85 completed March 27, 2026, 5:26 p.m.
NED1 Entity disambiguation (via context triple) batch_69c748926b6c819080a2d32759529dae completed March 28, 2026, 3:18 a.m.
NEDg Description generation batch_69c749a44a3c8190ad8ad35fac7a4859 completed March 28, 2026, 3:23 a.m.
NED2 Entity disambiguation (via description) batch_69c74a1935b88190a9bed6e73f730459 completed March 28, 2026, 3:25 a.m.
PD Predicate disambiguation batch_69c6ad007c1c8190af425f51011c7ad1 completed March 27, 2026, 4:14 p.m.
Created at: March 27, 2026, 1:58 p.m.